Discount Calculator
Enter the original price and the percent off to see the sale price and exactly how much you'll save before tax. Handy for shoppers comparing deals, Black Friday and holiday sales, coupon stacking, gift budgeting, and resellers checking whether a markdown still leaves room for profit.
Last Updated: June 2026
Who this calculator helps
- Shoppers comparing two ads to see which deal actually saves more.
- Gift-budget planning during Black Friday, Cyber Monday, and holiday sales.
- Coupon stackers checking the real total after two or three percent-off codes are applied in sequence.
- Etsy, Shopify, and ecommerce sellers previewing the sale price a customer will see during a promotion.
- Resellers and thrift flippers checking whether a marked-down product still leaves room for profit when relisted.
Final price
$60.00
You save
$20.00
All calculations are estimates based on average platform fees. Real profits may vary depending on category, ads, and shipping.
How to use this calculator
- Enter your numbers in each field above — the calculator updates instantly as you type, so there's nothing to submit.
- Use your real figures when you have them, or sensible estimates while you're planning. If a field doesn't apply, leave it at zero.
- Compare the results, then change one input at a time to see how each lever (price, cost, fees, volume) moves the outcome.
When to use this calculator
- A retail sale or marketing email shows a percent off and you want the actual dollar price.
- You're stacking a store discount, a credit-card cashback, and a coupon and need to know the final out-of-pocket cost.
- You're planning a promotion on your own store and want to see what the sale price will be at 10%, 20%, and 30% off before launching.
- You see a sale price and want to reverse-engineer what the item "originally" cost.
Formula
Final price = Original × (1 − Discount% ÷ 100)
Worked example
A $80 jacket is marked 25% off.
- Savings = 80 × 0.25 = 20
- Final price = 80 − 20 = 60
Answer: $60 (you save $20)
More worked examples
A $129 pair of headphones is 40% off in a flash sale.
- Savings = 129 × 0.40 = 51.60
- Final price = 129 − 51.60 = 77.40
Answer: $77.40 (you save $51.60)
Two stacked discounts: 20% off, then an extra 15% off at checkout, on a $200 item.
- After the first 20% off: 200 × 0.80 = $160
- After another 15% off: 160 × 0.85 = $136
- Total savings: 200 − 136 = $64 (a 32% combined discount, not 35%)
Answer: $136 (you save $64)
Reverse a discount: a jacket is on sale for $45 at 25% off — what was the original price?
- Sale price = Original × (1 − 0.25) = Original × 0.75
- Solve: Original = 45 ÷ 0.75 = 60
Answer: $60 original price
How it works
A percent-off sticker tells you the share of the price that comes off, not the share you pay. Converting the percent into a decimal and multiplying gives you the dollar amount you save.
Subtract the savings from the original price to get the sale price. The same answer comes from multiplying the original price by (1 − discount), which is the faster method when you're stacking math in your head.
Sales tax, shipping, and fees are applied after the discount in most regions, so the in-cart total will usually be a bit higher than the sale price shown here. If you're trying to estimate true out-of-pocket cost, layer those on top of the discounted price.
When multiple discounts are applied, they multiply rather than add. Two 20% discounts give 0.80 × 0.80 = 0.64 of the original price, which is a 36% combined discount — meaningfully less than the 40% many shoppers expect.
Expert tips
- Convert the percent to a multiplier (25% off → multiply by 0.75) so you can chain discounts in a single calculation.
- Always discount first, then add sales tax, unless your local rule explicitly says otherwise — that's how almost every retailer rings up a sale.
- A 'buy one, get one 50% off' is effectively 25% off per item if you wanted both, but 0% off if you only wanted one.
- If you're a seller, model your promotions in the Profit Margin Calculator after applying the discount — a 30% off promo can wipe out a slim margin entirely.
- Big retailers sometimes 'raise then drop' prices around big sale days; check a price-tracking tool before assuming the headline percent off is honest.
How to interpret your results
- Dollar values are shown per sale, per order, or per item unless a result is explicitly labelled monthly, weekly, or daily.
- Percentages (margin, ROI, conversion rate) are easier to compare across products and price points than raw dollars — use them when you benchmark.
- A positive result means you're ahead after the costs and fees you entered. A negative result means the current numbers don't work — change a lever (raise price, cut a cost, lower ad spend) and recalculate.
- Treat the output as a planning estimate, not a guarantee. Fees, taxes, and conversion rates shift over time — re-run the numbers whenever a key input changes.
Limitations
- The calculator does not include sales tax, shipping, or payment-processing fees — add those separately for an accurate cart total.
- It does not model loyalty-point rebates, gift-card balances, or cashback — those reduce out-of-pocket cost without changing the sticker math.
- It assumes the discount applies to the entire item price; it does not handle 'spend $X get $Y off' threshold offers.
Common mistakes
- Adding two percent-off coupons together instead of applying them one after the other.
- Calculating the discount on the post-tax price rather than the pre-tax price the store is advertising.
- Confusing "25% off" with "final price is 25% of original" — they are very different deals.
- Forgetting to factor in shipping costs that can erase the savings on small online orders.
Related Guides
Go deeper with plain-English guides on the same topic.
What Is a Good Profit Margin?
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Read guide →What Is A Good Profit Margin? Complete Small Business Profit Margin Guide
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Read guide →Pricing Psychology Explained: 25 Strategies That Increase Sales
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Read guide →How to Price Handmade Products
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Read guide →
FAQ
- How do I stack two discounts?
- Apply them in sequence. Two 20% discounts equal 0.8 × 0.8 = 64% of the original price, which is a 36% total discount — not 40%.
- Does the calculator include sales tax?
- No. Apply your local tax rate to the discounted price after the discount comes off.
- How do I work out the original price from a sale price?
- Divide the sale price by (1 − discount/100). A $60 item at 25% off was originally 60 ÷ 0.75 = $80.
- Is a "buy one get one free" the same as 50% off?
- Per item, yes — but only if you actually need both items. If you only want one, the per-unit savings is zero.
- What if the discount is greater than 100%?
- That would mean the store is paying you. Cap the discount at 100% and treat anything beyond as a credit or freebie.
- How is percent off different from percent of?
- '25% off' means you pay 75% of the original. '25% of price' would be the discount amount itself. Watch out for ad copy that blurs the two.
- Does shipping get discounted too?
- Usually not. Most stores apply the percent off to the item subtotal only — shipping and tax come after.
- How big a discount do I need to beat a competitor's lower base price?
- Compare final prices, not headline percents. A 40% off discount on a $100 item ($60) is worse than 10% off on a $65 item ($58.50).
- Is the discount calculator accurate for international shoppers?
- Yes — the math is universal. Just enter prices in your own currency and apply local tax separately.
- Can a discount calculator help small business owners pricing sales?
- Yes. Run the discounted price through the Profit Margin Calculator on this site to be sure you're not selling at a loss.
Why trust this calculator?
This tool uses standard mathematical formulas and commonly accepted calculation methods, shown openly in the Formula section above so you can verify the math yourself. Results are estimates based on the information you enter and do not account for every individual circumstance. For important financial, tax, legal, medical, or business decisions, please double-check with a qualified professional before acting on the numbers.
Keep going
One calculator rarely tells the full story. Pair this one with a related tool below to pressure-test your numbers from a different angle, or browse Everyday Math Calculators for more in the same category.
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